[  495.215387] netdevsim netdevsim762 eni762np1: renamed from eth1
[  495.310539] netdevsim netdevsim374 eni374np1: renamed from eth0
[  495.571630] Could not find device with ifindex 2000 in netnsfd 11
[  495.572101] Could not find netns with fd: 2000
[  495.572265] Cannot link a netdevsim to itself
[  495.572432] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).